Which one of the following is a rich source of

How many students from Institute R got placement?

I. The number of students studying in Institute Q and R are in the ratio of 5:7.

What is the approximate overall % obtained by Ishaan in the examination?

What is the smallest number of the six numbers?

I.The average of six consecutive odd numbers is 8.

What was the difference between the number of viewers of NDTV in the year 2013 as compared to previous year?

Find the ratio between the players of Kings XI Punjab and Kolkata Knight Riders if players playing for Kings XI Punjab is decreased by 24?

What is the labeled price of the article?

I. The profit earned would be 20% if no discount is offered.

In which year was the difference between the number of male viewers and the female viewers of the Times Now is the highest?

What is a two-digit number?

I. The difference between the two digit is 5.